2658005

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 3912480

約数和(自身を除く): 1254475

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 571, 665, 931, 2855, 3997, 4655, 10849, 19985, 27979, 54245, 75943, 139895, 379715, 531601, 2658005]

約数ペア:

[(1, 2658005), (5, 531601), (7, 379715), (19, 139895), (35, 75943), (49, 54245), (95, 27979), (133, 19985), (245, 10849), (571, 4655), (665, 3997), (931, 2855)]